RT Book, Section A1 Varacalli, Kristin A1 Shah, Anjali A1 Maitin, Ian B. A2 Maitin, Ian B. A2 Cruz, Ernesto SR Print(0) ID 1105128720 T1 Multiple Sclerosis T2 CURRENT Diagnosis & Treatment: Physical Medicine & Rehabilitation YR 2015 FD 2015 PB McGraw-Hill Education PP New York, NY SN 9780071793292 LK accessmedicine.mhmedical.com/content.aspx?aid=1105128720 RD 2022/05/28 AB ESSENTIALS OF DIAGNOSISMultiple sclerosis (MS) most often affects Caucasian females, with onset of symptoms in the second and third decades of life.No definitive etiology has been determined.There are four clinical patterns; the most common is relapsing-remitting MS.Magnetic resonance imaging (MRI) of the brain and spinal cord is the most useful diagnostic tool for detecting MS.